[FFmpeg-devel] Update on lbos

Måns Rullgård mans
Mon Feb 4 22:36:35 CET 2008


Rich Felker <dalias at aerifal.cx> writes:

> On Mon, Feb 04, 2008 at 03:47:16PM +0100, Luca Abeni wrote:
>> Hi Diego,
>> 
>> Diego Biurrun wrote:
>> [...]
>> > Here are some comments:
>> > 
>> > In the Makefile there is
>> > 
>> >> CFLAGS=$(OPTFLAGS) -I$(BUILD_ROOT) -I$(SRC_PATH)/include \
>> >>        -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE
>> > 
>> > Hmm, are some of the -D flags gcc-specific?
>> Again, you are right... I just copied them from ffmpeg Makefiles (I
>> suspect that defining some constants will not break anything, but
>> I'll try to enable these defines only if gcc is detected).
>
> GNU-libc-specific, not gcc related.

Quite so.  There is some POSIX getconf magic one can use to retrieve
those flags, but it never works in practise.

-- 
M?ns Rullg?rd
mans at mansr.com




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